Smoke-consuming apparatus.



'H. N, MARTIN.

' SMOKE GONSUMING APPARATUS.

APPLICATION FILED NOV.29. 1911.

Patented Nov. 26, 1912.

2 SHEETSSHEET 1.

. WITFJESSES I ATTORNEYS I H. N. MARTIN.

SMOKE CONSUMING APPARATUS.

' APPLICATION FILED NOV.29.1911. 1,045,577., Patented Nov. 26, 1932.

2 SHEBTSSHEET 2.

ATTORNEYS State of New York. have invented a newand srarns HOMER; NELSON menu, on NEW YORK, N. Y.

SMOKE-CONSUMING APPARATUS.

Specification of Letters Patent.

Application filed November 29, 1911. Serial 110,663,013.

To all whom it may concern:

Beit known that I, HOMER N. MARTIN, a citizen of the United States, and a resident of the city of New York, Morris Park, bor oughof Queens, in the county of Queens and Improved Smoke-Consuming Apparatus, of which the following is a full. clear, and exact description.

. My invention relates to smoke consuming apparatus designed to be applied preferably to locomotives and traction engines in gen-. eral, and the object thereof is to devise means for taking a part of the smoke'before the same is-discharged from the stack, and mixing it with air, to be returned into the fire-box,'whereby all the particles of carbon and other inflammable substances which are suspended in the smoke and other gases,'can be completely consumed before the smoke is discharged through the stack into the surrounding atmosphere.

1 Reference is to be had to the accompanyi'ng drawings forming a part of this specification, in which the same characters of ref erence indicatethe same parts in all the views.- v v Figure 1 is a longitudinalsectional view of a locomotive to which my improved smoke. consuming apparatus is applied; Fig. 2 1s a top plan thereof, the fire-boxv of the locomotive and'the smoke chamber in front being shown insect-ion; and Fig. 3 is a longitudinal sectional view of part of the fine by means of which my smoke consuming apparatus is controlled. t

On the drawings, the fire-box of the locomotive or other engine is indicated at- 1, and

from this box extend heating lines 2, toward the front of the locomotive, these fines communicating with the smoke chamber 3, for,

- ward of the boiler, this smoke chamber 3 having an outlet 4, which communicates with the stack 5.

ward ends of the flues 2, and a screen 7, so

I that the hot gases passing from the fire-box through the flues will strike the deflector;

which are deposited on the floor of the smoke chamber, to be cleaned out of the smoke chamber.

The chamber 3 also contains a deflector plate 6, in'frontof the for- -The numeral 9 represents the exhaust plpes leading from the valve chests on the cylinders at either side ofthe locomotive:

which the front end of the boiler is supported, through which the exhaust pipes 9; extend. The exhauststeam passing through the fines 9 streams out through the stack 5 t and induces the draft into the fire-box 1,.

and through the flues in the usual way.

' Steam is supplied to the steam cylinders on either side of the locomotive by means of a main steam pipe 8, one end of which protrudes into the steam dome on top of the locomotiveabove the level of the waterin the boiler. and the other end of which .is branched to supply steam to both the cylinders when the locomotive is running. This pipe is controlled by the usual throttle valve.

Carried by the framework of the locomo tive and arranged on each side of the boiler beneath the same are a pair of air flues 11. which terminate in enlarged mouths 12, in .which are placed funnels l3, these"; funnels having their reduced ends-w i,tl 1 in,,the enof the lines 11, as shown in Fig. 12. Each of fiues 2.

- T:he numeral over this arch before they can pass into the 17 represents a pair of pip'e's,

unite at their outer ends in a funnel-shaped mouth 17', which is carried below the level of the l flues 11,'as shown in Figs. 1 and 3,- and these pipes serve to supply air to the lines 11% when the locomotive orother engine is standing'still, and a draft of air' is induced tltlough the'pipes 17 under these conditions. y means of steam jets in the pipes- 11, whic are produced in'a manner presently to be described.

The numeral 18 represents a leading from the steam dome on top o f the locomotive, in which its extremity is bent Patented Nov. 26, 912. 7

and 10 represents a hollow standard on the pipes 11 communicates by means of pasv sages 14, with the side of the smoke chamber 7 3, near the bottom: and 15 are nozzles at the tents of the fines 11 have to pass beneath and eaclrof which communicates at one end with the .side of one of the flues 11, and which steam I larged mouths 12. and are secured at their enlarged ends to the edges of the months 12 above the top of the water in the boiler. This steam pipe extends backward into the cab and contains a controlling valve 19, conv venient tothe engineerforf fireman. Below the valve 19 the pipejlS communicates with a pair of pipes 20-lj'and 21', the former eX- tending forward along-the outside of the locsaeaotive and downward under the same into the aollow standard 10, where it is bent ma upward. flongqone of the exhaust flues 9, hav ng Xtremity above the screen 7, the -exhaust. s-U'being practically of the same height. fflj-h'euother pipe 21 extends along the side ofe the' locomotive and downward be 5 neathithe same to midway between the flues 11, adjacent the nozzles 15, and is then bent, forward and joinedat its forward end to a coupling from which project'two pipes 22,

which extend into the fines 11, just to the 20 rear of the points of communication of the pipes 17 therewith, and terminate in rearward-bent nozzles 23, these nozzles 23 serv- I in-gto blow steam into the tines 11, to produce a draft therethrough when the locoj 'motive or other engine is standing still, as

abovedescribed. Beyond the branch pipes 22 is'apipe 24, forming acontinuation of the pipe 21,-.and communicating at its forward endlwith both of the exhaust steam pipes 9, as shown in Fig. 2. The pipe 21 has a flap valve 25 therein which opens only toward the front of the locomotive, as shown in Fig'.

3, this valve being located-to the rear of the pipes 23;and the pipe 24 has a valve 26 therein forward of the pipes 22 and the nozzles 23, and this valve opens only in a rearward direction.

In operation, supposing the engine to be running forward, the valve 19 will be'closed' .40 to prevent any steam from passing through the pipe 18. The smoke will pass from the fire-box 1,, through the flues 2, past the plate 6, and through the screen 7, to be discharged through the stack 5. Owing to the ward motion of the locomotive, however, will rush in through the funnels or nozzles 13 in the months 12 of the flues 11, and his current of air will suffice to draw some of the smoke through the passages 14 into.

steam, however, will pass back into the pipe 21, because the valve 25 will preventthis.

This valve 25 thus causes all the steam pass:-

'ing backward throughthe pipe 24 to blow out through the nozzles 23, and if it were got for the presenceof the valve 25 in ques I iv tion, some of the steam from thepipe 24 would pass into the pipe 21 and around by wa v of the pipe 20 and out through the chimnev 5; and the pipe 21 and the pipe 20 would thus form in effect a tap or leak which "would greatly lower the efficiency of thenozzles 23, if it would not make their operation impracticable. As a result, much of the smoke and gases having uncons'umed particles of carbon and othercombustible materials therein will be returned into the firebox, passing beneath the arch 16 and over the top of the same through the ends .of

the flues 2. In so doing it will meetthe draft of fresh air over the top of the fire and through the grate thereof, that is induced by the exhaust steam blowing out through the fines 9 and the stack 5, and the particles of carbon and other inflammable materials suspended in the smoke will be consumed before the smoke is discharged,

so that, when the smoke leaves the stack, it'

smoke can be purified by turning the valve 19 to open position. This will permit steam to pass forward through the pipe 21, past the valve 25 into the pipes 22, and through the nozzles 23. Air will be drawn in by the effect of the nozzles 23, through the pipes 17; and this flow'of air will induce a current through the entire lengths of the flues 11, drawing smoke through the passages 14, as before, and discharging it through the nozzles 15, into the fire-box 1., No steam, however, will pass forward into the pipe 24:, because of the valve 26, which will close, owing to the pressure of the steam in the pipe 21, forward, and his of course under.

stood at this time no steam is passing from the valve chestsof the cylinders of the locomotive through the pipe 9, so that-there is no pressure of the steam upon the forward side of the valve 26, to prevent it from closing in the manner required. It will be of courseundersto'od that when the valve 19 is opened to allow steam to blow through the pipe 21 into the nozzles 23, some steam will also pass through the pipe 20 and out through the stack .5 to create the necessary draft for the fire.

It is obvious that the above arrangementof fines will permit, the smoke to beurifiedat all times, provided there is s e'am the boiler; and it makes nodifierence r the locomotive or other traction bereturned into the tire-box to in motion or not, the arrangement question will cause enough of the be applied to a stationary engine as well,

as I can easily arrange the nozzles .3 in combination with air 'flues' l1. communicatingwith a smoke chamber 12, beneath the stack 5, to provide for the return of the smoke to the firebox. whether the engine is movable or stationary.

I wish to have it understood that I may make Whatever slight changes in the shape. size and arrangement of the parts fairly fall within the scope and spirit of'my invention.

Having thus described my invention, I claim as new and desire to secure by Letters Patent:

1. Smoke consuming apparatus 'compris-.

ing a'furnace, a stack or flue for discharging gases from said furnace, conduits arranged side by side for diverting a portion of said gases from .said stack or flue and returning the same into said furnace, said conduits having open ends to admit air to the inside of the same,a funnel between said conduits, and fines leading from said funnel to each of said conduits to admit supplemental air to said conduits, said air serving to facilitate the return of said gases to the furnace.

2. Smoke consuming apparatus comprising a furnace for the boiler of an engine, a

stack or flu'e for conducting gases therefrom, a conduit communicating with said fire-box and arranged to divert a portion of the gases from the flue and return the same to the furnace. a nozzle entering said conduit and discharging toward the fire-box, a, pipe leading form the boiler, a valve in said pipe, a pair of b anches connected to said pipe beyond the valve, one of said branches leading to the nozzle and the otherto the stack. or fine, a one-way operating 'alvevin the branch leading to the nozzle, a pipe leading from one of the exhaust pipes of the valve chests to the said nozzle, and a one-way operating valve in said last-named pipe. said valves preventing steam from the last-named pipe from enteringthe branch leading to the injector.

nozzle, and preventing steam from the branch leading to the nozzle from entering the' last-named pipe, the last-named'pipe serving to supply steam to the nozzle when the, engine is mo-v1 ng, and the branch lead: ing to the nozzle servlng to supply steam .thereto when the engine is stationary.

3. Smoke consuming apparatus comprising, a furnace for the boiler of an engine, a stack or flue for conducting gases therefrom, a conduit communicating with said fire-box and arranged to divert a portion 4 of the gases from the flue and return the same tothe furnace, a nozzle entering said conduit and discharging toward the fire-box,

a pipe leading from "the boiler, a valve in said pipe, :1 pair of branches connected to said pipe beyond the valve, one of said branchesleading to the nozzle and the other to the stack or flue. a one-way operating valve in the branch leading to the nozzle. a pipe leading from one of the exhaust pipes of the valve chests to the said nozzle, a oneway operating valve in said last-named pipe. said valves preventing steam from the lastnalned pipe from entering the branchleading to the nozzle, and preventing steam from the branch leading to the nozzle from entering the last-named pipe. the last-named pipe serving to supply steam to the nozzle when the engine is moi'ing, and the branch leading to the nozzle serving to supply steam thereto when the engine is stationary. and means for admitting air to the conduitfor diverting the gases to the fire-box when the engine is in motion.

4. Smoke consuming apparatus comprising a conduit for returning a portion of the smoke and gases passing from the fire-box to the smoke stackjnto' the fire-box, sald' conduit being open at its front end to admit air into the same, a steam'injector in said conduit for discharging steam toward the fire-box, and a forward-extending branch pipe having its outer end open and com.- municating with the conduit adjacent-said- In testimony whereof I have signed my name to this specification in the p csence of two subscribing witnesses.

HOMER NELSON MAR \Vitnesses "VILLIAM F. XICKEL. 'Priimr D. ROLLIIAL'S.

TIN. 

